P0593 RAM Code - Speed Control Switch 2 Circuit High
Quick Answer
The P0593 diagnostic trouble code (DTC) refers to a problem with the Speed Control Switch 2 Circuit being too high. Common causes include Faulty speed control switch 2, Wiring issues in the speed control switch circuit, Defective cruise control module. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
- What it means
- P0593 RAM indicates Speed Control Switch 2 Circuit High.
- Common causes
- Common causes include Faulty speed control switch 2, Wiring issues in the speed control switch circuit, Defective cruise control module.
- Severity
- Low - monitor the vehicle and repair when practical.
- Can I drive?
- The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
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Code P0593 RAM Description
The P0593 diagnostic trouble code (DTC) refers to a problem with the Speed Control Switch 2 Circuit being too high. This code is typically associated with vehicles equipped with cruise control systems. The Speed Control Switch 2 Circuit is responsible for controlling the activation and deactivation of the cruise control system. When this circuit is reading a high voltage, it can indicate a fault in the switch itself, a wiring issue, or a problem with the cruise control module.
Common Causes of P0593 RAM
- Faulty speed control switch 2
- Wiring issues in the speed control switch circuit
- Defective cruise control module
- Corrosion or damage to electrical connectors
- Issues with the vehicle's ECM (Engine Control Module)
Symptoms of P0593 RAM
- Inoperative cruise control system
- Cruise control system turning on or off erratically
- Check Engine Light illuminated on the dashboard
- Vehicle speed not being maintained while cruise control is engaged
How to Fix P0593 RAM
- Begin by connecting a diagnostic scan tool to the vehicle's OBD-II port and retrieving the fault codes to confirm the presence of the P0593 code.
- Inspect the speed control switch 2 and its wiring for any visible signs of damage or corrosion. Replace any faulty components.
- Test the cruise control module to ensure it is functioning correctly. Replace if necessary.
- Clear the DTCs from the vehicle's memory using the diagnostic scan tool.
- Test drive the vehicle to verify that the cruise control system is now operating as intended.
Cost to Fix P0593 RAM
The cost of repairing a P0593 code can vary depending on the specific cause of the issue. In general, replacing a faulty speed control switch or repairing wiring issues may cost between $100 and $300, including parts and labor. However, if the cruise control module needs to be replaced, the total cost could range from $200 to $500 or more. It's important to note that diagnostic time and labor rates at auto repair shops can vary, so it's recommended to obtain quotes from multiple sources before proceeding with the repair.
Tech Notes for P0593 RAM
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